IP Library › Patent Application 61671527
Patent Application Provisional
App. No. 61/671,527 · Confirmation No. 8251

ECHO CANCELLATION SYSTEM AND METHOD WITH MULTIPLE MICROPHONES AND MULTIPLE SPEAKERS

Provisional Application Expired
⬇ PDF
 Code Description Pages PDF
2012-07-26 APP.FILE.REC Filing Receipt 3 View
2012-07-13 TR.PROV Provisional Cover Sheet (SB16) 2 View
2012-07-13 SPEC Specification 20 View
2012-07-13 CLM Claims 4 View
2012-07-13 ABST Abstract 1 View
2012-07-13 DRW Drawings-only black and white line drawings 2 View
2012-07-13 WFEE Fee Worksheet (SB06) 2 View
2012-07-13 N417 Electronic Filing System Acknowledgment Receipt 3 View
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Quick Facts
App. No.
61/671,527
Filed
2012-07-13